diff --git a/app/assets/stylesheets/application.css.sass b/app/assets/stylesheets/application.css.sass
deleted file mode 100644
--- a/app/assets/stylesheets/application.css.sass
+++ /dev/null
@@ -1,302 +0,0 @@
-
-@import jquery.ui.core
-@import jquery.ui.theme
-@import jquery.ui.datepicker
-@import jquery.ui.slider
-@import jquery-ui-timepicker-addon
-@import jquery-tablesorter/theme.metro-dark
-@import tablesorter-theme.cafe
-
-body
-  background: white image-url("topbg.jpg") repeat-x top center
-  font-size: 13px
-  font-family: Tahoma, "sans-serif"
-  margin: 10px
-  padding: 10px
-
-
-input
-  font-family: Tahoma, "sans-serif"
-
-
-h1
-  font-size: 24px
-  color: #334488
-  line-height: 2em
-
-
-h2
-  font-size: 18px
-  color: #5566bb
-  line-height: 1.5em
-
-
-hr
-  border-top: 1px solid #dddddd
-  border-bottom: 1px solid #eeeeee
-
-
-a
-  color: #6666cc
-  text-decoration: none
-
-  &:link, &:visited
-    color: #6666cc
-    text-decoration: none
-
-  &:hover, &:focus
-    color: #111166
-    text-decoration: none
-
-
-div
-  &.userbar
-    line-height: 1.5em
-    text-align: right
-    font-size: 12px
-
-  &.title
-    padding: 10px 0px
-    line-height: 1.5em
-    font-size: 13px
-
-    span.contest-over-msg
-      font-size: 15px
-      color: red
-
-    table
-      width: 100%
-      font-weight: bold
-
-    td
-      &.left-col
-        text-align: left
-        vertical-align: top
-        color: #444444
-
-      &.right-col
-        text-align: right
-        vertical-align: top
-        font-size: 18px
-        color: #116699
-
-
-table.info
-  margin: 10px 0
-  border: 1px solid #666666
-  border-collapse: collapse
-  font-size: 12px
-
-  th
-    border: 1px solid #666666
-    line-height: 1.5em
-    padding: 0 0.5em
-
-  td
-    border-left: 1px solid #666666
-    border-right: 1px solid #666666
-    line-height: 1.5em
-    padding: 0 0.5em
-
-
-tr
-  &.info-head
-    background: #777777
-    color: white
-
-  &.info-odd
-    background: #eeeeee
-
-  &.info-even
-    background: #fcfcfc
-
-=basicbox
-  background: #eeeeff
-  border: 1px dotted #99aaee
-  padding: 5px
-  margin: 10px 0px
-  color: black
-  font-size: 13px
-
-.infobox
-  +basicbox
-
-.submitbox
-  +basicbox
-
-.errorExplanation
-  border: 1px dotted gray
-  color: #bb2222
-  padding: 5px 15px 5px 15px
-  margin-bottom: 5px
-  background-color: white
-  font-weight: normal
-
-  h2
-    color: #cc1111
-    font-weight: bold
-
-
-table.uinfo
-  border-collapse: collapse
-  border: 1px solid black
-  font-size: 13px
-
-
-td.uinfo
-  vertical-align: top
-  border: 1px solid black
-  padding: 5px
-
-
-th.uinfo
-  background: lightgreen
-  vertical-align: top
-  text-align: right
-  border: 1px solid black
-  padding: 5px
-
-
-div
-  &.compilermsgbody
-    font-family: monospace
-
-  &.task-menu
-    text-align: center
-    font-size: 13px
-    line-height: 1.75em
-    font-weight: bold
-    border-top: 1px dashed gray
-    border-bottom: 1px dashed gray
-    margin-top: 2px
-    margin-bottom: 4px
-
-
-table.taskdesc
-  border: 2px solid #dddddd
-  border-collapse: collapse
-  margin: 10px auto
-  width: 90%
-  font-size: 13px
-
-  p
-    font-size: 13px
-
-  tr.name
-    border: 2px solid #dddddd
-    background: #dddddd
-    color: #333333
-    font-weight: bold
-    font-size: 14px
-    line-height: 1.5em
-    text-align: center
-
-  td
-    &.desc-odd
-      padding: 5px
-      padding-left: 20px
-      background: #fefeee
-
-    &.desc-even
-      padding: 5px
-      padding-left: 20px
-      background: #feeefe
-
-
-.announcementbox
-  margin: 10px 0px
-  background: #bbddee
-  padding: 1px
-
-  span.title
-    font-weight: bold
-    color: #224455
-    padding-left: 10px
-    line-height: 1.6em
-
-.announcement
-  margin: 2px
-  background: white
-  padding: 1px
-  padding-left: 10px
-  padding-right: 10px
-  padding-top: 5px
-  padding-bottom: 5px
-
-
-.announcement p
-  font-size: 12px
-  margin: 2px
-
-
-.pub-info
-  text-align: right
-  font-style: italic
-  font-size: 9px
-
-  p
-    text-align: right
-    font-style: italic
-    font-size: 9px
-
-
-.announcement
-  .toggles
-    font-weight: normal
-    float: right
-    font-size: 80%
-
-  .announcement-title
-    font-weight: bold
-
-
-div
-  &.message
-    margin: 10px 0 0
-
-    div
-      &.message
-        margin: 0 0 0 30px
-
-      &.body
-        border: 2px solid #dddddd
-        background: #fff8f8
-        padding-left: 5px
-
-      &.reply-body
-        border: 2px solid #bbbbbb
-        background: #fffff8
-        padding-left: 5px
-
-      &.stat
-        font-size: 10px
-        line-height: 1.75em
-        padding: 0 5px
-        color: #333333
-        background: #dddddd
-        font-weight: bold
-
-      &.message div.stat
-        font-size: 10px
-        line-height: 1.75em
-        padding: 0 5px
-        color: #444444
-        background: #bbbbbb
-        font-weight: bold
-
-  &.contest-title
-    color: white
-    text-align: center
-    line-height: 2em
-
-  &.registration-desc, &.test-desc
-    border: 1px dotted gray
-    background: #f5f5f5
-    padding: 5px
-    margin: 10px 0
-    font-size: 12px
-    line-height: 1.5em
-
-h2.contest-title
-  margin-top: 5px
-  margin-bottom: 5px